What's the difference between elevator intercom and building intercom?

Building intercom refers to the intercom system among residents, unit doors and property duty room, which usually includes functions such as unlocking, intercom or visual intercom, monitoring, etc. Some building systems also include functions such as gas alarm according to market needs.

Elevator intercom

Elevator intercom equipment generally refers to five-way communication equipment in elevator machine room, car, car roof, pit and duty room. Elevator intercom involves elevator emergency rescue call, which can ensure passengers are trapped. Generally, it is installed by the elevator company, and Party A is generally responsible for wiring the outdoor cables of the elevator intercom in the residential area. Whether the elevator intercom can talk normally is a necessary item for the annual inspection of elevators by the Special Inspection Institute.